"My cat hated me for two months when I brought home his sister," one social-media user commented on the viral clip.

What's better than one pug? Two! Watch this adorable interaction as a tiny pug puppy meets its bigger sibling for the first ...

A golden retriever's perfect big brother moment.

Bringing home a puppy means learning to deal with the nonstop energy. A recent video on Instagram showed that this behavior from new pups not only puts owners at their wits' end, but also older dogs ...

Forbes contributors publish independent expert analyses and insights. Jen Reeder is an award-winning journalist who specializes in pets. Achilles, a 10-year-old boxer mix, found himself up for ...